Anyone know that there is a plug that is supposed to go in there? It is made of what appears to be rubber which would explain why they aren't found very often. Rubber does not last anywhere near 70 years.
I have one. It is black and has a crown on the exposed surface. Its density is similar to a hockey puck.
I thought there might have been a rubber plug that was supposed to be there. That's what prompted me to ask the question in the first place. I have a bunch of rubber plugs left over from the Little Red project. I used one on the shift column. Maybe one will fit the flywheel hole.
